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MANIFOLD
Props about Meta's Prediction Markets ("Arena")
17
Ṁ1.4kṀ757
Dec 31
84%
Play Money
81%
Has AI-written questions
55%
Has a system for ad-embedded markets
54%
Integrated into Facebook app
50%
Has User-written questions
50%
US only at start
45%
Immediately mired in hit pieces by major media after launch
44%
Limited Release by end 2026
39%
Real Money
31%
Meta reports >10M users within first month
31%
Manifold WAU (traders) 5x's <1 month after Meta's launch
31%
Full Release to all (of age?) users by end 2026
31%
Launched in 2026 and abandoned before end 2027
28%
Integrated into Instagram app

Except where noted:

  • for this first batch, all resolve when they happen or at end 2026 (if this extends for whatever reason, existing answers will be edited to reflect their original dates and new answers will then be subject to the extension)

  • default is to resolve NO rather than N/A

Feel free to add more. Junk answers may be N/A'd as usual.

AI Summaries:

  • Update 2026-06-23 (PST) (AI summary of creator comment): For 'Immediately mired in hit pieces by major media after launch': resolves YES if there is a generally negative response from articles that makes it feel like the product is either DOA or super controversial — not just multiple negative articles, but more than isolated criticism. Resolution is subjective, and the creator will not trade on this answer.

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@Stralor does "mired" require some plausible threat to the business model, advertising and/or user base retention? Or just that there are multiple negative articles?

@DylanRichardson somewhere between I think. I'm looking for a generally negative response from articles that makes it feel like it's either DOA or super controversial. It's pretty subjective so I won't trade on that answer.

I checked for duplicates before making this but somehow missed this one: /Velaris/metas-prediction-platform-prop-bets

Feel free to share love over there too!